PCAP technology dominates the market for smartphones and tablets due to its excellent image quality, durability, and multi-touch functionality. Older devices such as PDAs and the Nintendo DS often used resistive screens, which respond to pressure and can be operated with any stylus or finger.
Resistive touchscreens are often used in factory automation and medical environments. The main reason is that these panels respond reliably to pressure from fingers, styluses, and gloves. This is essential for operation in demanding work environments where operators often wear protective clothing.
For public applications such as ATMs, ticket machines, and information kiosks, durability and reliability are crucial. Technologies such as Surface Capacitive, Infrared, and Surface Acoustic Wave (SAW) are often used here because they are robust and have high light transmission.
Precision is of paramount importance for professionals in the creative sector. Electromagnetic Resonance Technology (ERT) is used in pen tablets. This technology offers highly accurate input, detects different pressure levels, and ignores palm touch for a natural drawing experience.
These pressure-sensitive panels consist of two flexible, conductive layers that make contact when touched. They can be operated with fingers, a stylus, or gloves. Disadvantages include relatively lower light transmission and reduced durability of the top layer compared to other technologies.
Projected Capacitive (PCAP) panels detect touch by sensing a disturbance in an electric field on the glass surface. This technology is known for its high durability, excellent light transmission, and support for multi-touch. PCAP is the standard for most modern smartphones and tablets.
Infrared and Surface Acoustic Wave (SAW) panels use an invisible grid of light beams or sound waves above the screen, respectively. A touch interrupts this grid, determining the position. Because there is no additional layer on the screen, the optical clarity is very high.
This technology requires a special wireless pen that communicates with a sensor behind the LCD panel. ERT offers exceptional precision, supports pressure sensitivity for variable line thicknesses, and can ignore palm touch. It is the preferred technology for professional drawing tablets.
At Dytos, we understand that each industry has specific requirements for touch solutions. That's why we offer a wide range of products and services designed to meet these diverse needs.
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